Geology topics
E. W. Heinrich
Publications and source records attributed to E. W. Heinrich.
Mica deposits of the southeastern Piedmont, Part 1, General features
No abstract available.
Piedmont Province↗
Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944
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Professional Paper↗
Friendship No. 1 mica mine, Randolph County, Alabama
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Open-File Report↗
North Carolina mica mines
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Open-File Report↗
Mica deposits of the Petaca district, Rio Arriba County, New Mexico
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Open-File Report↗
Quartz crystal deposits of western Arkansas
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Open-File Report↗